Use this tool for accurately installing and removing your DDC valves. (Works with other type valves too!). This is a great tool and time saver, helping to ensure the correct alignment when installing the DDC valves in your forks. The tool remains a handy aid in your shop and when it is time to service your forks, or changing for oil, this great tool makes it easy to remove and reinstall your valves. These tools even work with other valves that yo may have in your other bikes. Made in the USA to the high quality typical of Cogent Dynamics products.